“Murder by Proxy: How America Went Postal” is a masterful documentary examining not just the string of postal mass murders starting with one of the first in Edmond, Oklahoma on August 20, 1986 when 14 employees were shot and killed at the post office by postman Patrick Sherrill…

Director Emil Chiaberi never appears on camera in his subtly subversive documentary “Murder by Proxy: How America Went Postal” (RF Releasing) which could be one of the reasons why it has a lot more punch than most…

Chiaberi’s film does what the news media has failed to do for decades, and goes inside the story, exploring the growth of the postal service itself, and the fact that, like most corporations do, it had put productivity ahead of the well being of the workers.